Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2018 11 9.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/11/2018   19:08:19   (  79.55, 150.04) 11/11/2018   19:08:08  (  79.55, 150.03)    0.23                11
 11/11/2018   19:57:40   ( -79.78, -40.62) 11/11/2018   19:58:46  ( -79.79, -40.60)    0.39                66
 11/14/2018   10:35:29   ( -79.32,  96.73) 11/14/2018   10:34:26  ( -79.32,  96.59)    3.00                63
 11/14/2018   11:24:46   (  79.66, -93.34) 11/14/2018   11:25:00  (  79.66, -93.27)    1.64                14
 11/17/2018   02:51:55   ( -79.47,-146.45) 11/17/2018   02:51:17  ( -79.46,-146.47)    0.49                38
 11/17/2018   03:41:15   (  79.68,  22.71) 11/17/2018   03:41:55  (  79.67,  22.60)    2.44                40
 11/19/2018   19:08:20   ( -79.60, -29.63) 11/19/2018   19:08:07  ( -79.61, -29.51)    2.59                13
 11/19/2018   19:57:40   (  79.81, 139.56) 11/19/2018   19:58:45  (  79.81, 139.59)    0.44                65
 11/22/2018   10:35:28   (  79.37, -82.96) 11/22/2018   10:34:24  (  79.37, -83.04)    1.84                64